April 2017 in “InTech eBooks” Many people with hair loss experience scalp pain known as trichodynia, but the causes are unclear and treatments vary.
December 2025 in “Biology Bulletin Reviews” Hair cortisol can indicate animal stress but varies with many factors.
16 citations
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January 2021 in “Frontiers in veterinary science” Pigs in farrowing crates and loose-housing systems showed no difference in chronic stress levels as measured by hair cortisol.
3 citations
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February 2025 in “Journal of the American Academy of Dermatology” This study investigated the effects of gender-affirming hormone therapy on scalp hair parameters and quality of life in transgender individuals over 24 weeks, involving 15 participants on masculinizing hormone therapy (MHT) and 19 on feminizing hormone therapy (FHT). MHT was associated with a decrease in large terminal hairs but did not significantly alter total hair counts or hair-related quality of life, potentially accelerating pre-existing androgenetic alopecia. Conversely, FHT significantly increased hair counts and improved hair-related quality of life. The study highlights the need for longer-term research with larger sample sizes due to its limitations.
January 2017 in “Qucosa (Saxon State and University Library Dresden)” Plasma protein binding significantly affects glucocorticosteroid concentration in blood, saliva, and hair.
7 citations
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November 2022 in “Toxics” The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
21 citations
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January 2020 in “Conservation Physiology” Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.
15 citations
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March 1997 in “International Journal of Dermatology” Finasteride shows promise for treating hair loss and excessive hair growth, but more research is needed to confirm its effectiveness and safety.
72 citations
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October 1998 in “Baillière's clinical endocrinology and metabolism” Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
49 citations
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June 2003 in “European journal of cardiovascular prevention & rehabilitation” Hair loss in middle-aged women is often linked to insulin resistance and a family history of hair loss, particularly from their fathers.
37 citations
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April 2019 in “Journal of The American Academy of Dermatology” Some treatments like intralesional steroids and 5α-reductase inhibitors are effective for frontal fibrosing alopecia, but more research is needed.
34 citations
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April 2009 in “Expert Opinion on Pharmacotherapy” Some treatments work for common baldness, but there's less evidence for other hair loss types, and more research is needed.
32 citations
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March 2021 in “Journal of cosmetic dermatology (Print)” COVID-19 infection may trigger alopecia areata in some patients.
27 citations
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October 2016 in “The Journal of Clinical Endocrinology and Metabolism” Daughters of women with PCOS generally experience normal puberty but may have more body hair and different body fat distribution.
21 citations
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November 2022 in “Frontiers in immunology” Sebaceous glands play a key role in skin health, immunity, and various skin diseases.
20 citations
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July 2008 in “Dermatologic Therapy” The document says that treating the root cause of hair follicle damage is crucial to prevent permanent hair loss, and treatment options vary.
12 citations
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February 1997 in “British Journal of Dermatology” The enzyme type 1 5α-reductase is more active in the hair follicle's lower part than in the skin's outer layer.
11 citations
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March 2016 in “Translational Andrology and Urology” Nandrolone might increase muscle mass with fewer side effects than testosterone but could cause erectile dysfunction and needs more research.
11 citations
,
January 2016 in “Journal of clinical & experimental dermatology research” Substance abuse can cause various skin problems, including marks from injections, sores, premature aging, and increased cancer risk.
7 citations
,
January 2018 in “Australian Prescriber” Some sports supplements can cause health issues like mood swings, hair loss, and heart problems in men.
6 citations
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November 1999 in “Mycoses” A man in Japan got better from a scalp fungal infection using terbinafine.
5 citations
,
November 2017 in “Asian journal of pharmaceutical and clinical research” Pakis Gajah (Angiopteris evecta) water extract may promote hair growth in rabbits, but more research is needed for human use.
3 citations
,
December 2017 in “Journal of Psychiatric Research” Hair samples can't reliably detect hypercortisolism in anorexia nervosa patients.
1 citations
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July 2012 in “Springer eBooks” The document concludes that more research is needed to better understand and treat scarring hair loss conditions.
January 2025 in “International Journal of Pharmacology” Both steroids, especially cyproterone acetate, harm quail's vital organs.
March 2024 in “Clinical and experimental dermatology” Topical corticosteroids may be a safe and effective treatment for severe alopecia areata in children.
August 2023 in “Medicina-lithuania” Abusing steroids can damage your heart, muscles, reproductive system, liver, skin, and brain, and may increase the risk of Alzheimer's disease.
January 2017 in “Journal of Investigative Dermatology Symposium Proceedings” The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.
January 2009 in “Springer eBooks” The document concludes that managing skin conditions during pregnancy is important and requires specialized care.
July 1980 in “Journal of The American Academy of Dermatology” The conference concluded that understanding hair and nail disorders is important, iron deficiency may be linked to hair loss, and while some treatments for skin conditions are effective, they may have risks and high costs.